CN117142605A - High-efficient clarification tank - Google Patents
High-efficient clarification tank Download PDFInfo
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- CN117142605A CN117142605A CN202311267144.9A CN202311267144A CN117142605A CN 117142605 A CN117142605 A CN 117142605A CN 202311267144 A CN202311267144 A CN 202311267144A CN 117142605 A CN117142605 A CN 117142605A
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- 238000005352 clarification Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 144
- 239000010802 sludge Substances 0.000 claims abstract description 50
- 238000005189 flocculation Methods 0.000 claims abstract description 46
- 230000016615 flocculation Effects 0.000 claims abstract description 46
- 238000000926 separation method Methods 0.000 claims abstract description 42
- 239000000701 coagulant Substances 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims description 21
- 238000010992 reflux Methods 0.000 claims description 16
- 239000003814 drug Substances 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 6
- 238000007790 scraping Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 abstract description 12
- 239000008394 flocculating agent Substances 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 8
- 238000011010 flushing procedure Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- -1 suspended matters Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Abstract
The invention discloses a high-efficiency clarification tank, which comprises a clarification tank body, a water inlet pipe, a water outlet pipe, a sludge return pipe and a sludge discharge pipe; the clarifier box body comprises a flocculation box, a plug flow cavity, a concentration separation box and a clear water box. The advantages are that: the invention realizes the purpose of observing the water quality of the inlet water and the water quality of the outlet water in real time by adding various interlocking control instruments, and simultaneously reasonably adds the flocculating agent and the coagulant aid according to the water quality conditions of different time periods, thereby avoiding the waste of resources as much as possible and realizing the maximization of sewage treatment efficiency.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a high-efficiency clarification tank.
Background
The sewage/wastewater discharged from the pollution source can not meet the requirements of emission standards or environmental capacity due to higher total pollutant content or concentration, so that the sewage/wastewater needs to be treated in a sewage treatment plant to reduce the quality and functional targets of the water environment. The flocculation clarification tank is a water treatment device for removing organic matters, microorganisms, colloid, suspended matters, active carbon and other substances in sewage through flocculation, clarification and other technological processes. However, most of the flocculation clarification tank equipment in the market at present is cement pouring, and the water inlet direction is the top water inlet, so that independent tank bodies are needed to carry out the coagulation-assisting operation in the coagulation-assisting stage, and the problems of large tank bodies and large occupied area exist; and because of the limitation of many places, the flocculation clarification tank is mostly low, so that the water flow speed is low, the flocculation effect is poor, the sewage does not reach the concentrated and separated area and is separated and settled, the sludge is settled in advance in the flocculated area, and finally the concentration of the sludge discharged after concentration and separation is low, so that the water quality of the effluent is poor.
Disclosure of Invention
The invention aims to provide a novel floor space which is small in occupied area; the surface hydraulic load is large; the rising flow speed is high; the content of the treated suspended matters is high, and the sludge concentration is high; an efficient clarifying tank with small water treatment amount.
The invention aims to provide a high-efficiency clarification tank.
The purpose of the invention is implemented by the following technical scheme: a high-efficiency clarification tank comprises a clarification tank body, a water inlet pipe and a water outlet pipe; a baffle plate is vertically arranged in the settling tank body, and the inner cavity of the settling tank body is divided into a flocculation tank and a concentration separation tank by the baffle plate; the flocculation tank is communicated with the bottom of the concentration separation tank. The water inlet pipe with flocculation tank intercommunication, the mouth of pipe of inlet pipe is arranged in flocculation tank inner chamber bottom, mouth of pipe up set up the clarifier box outside be equipped with flowmeter, influent water turbidity meter and pipeline blender on the inlet pipe in proper order along the direction of delivery pipeline blender with be equipped with on the inlet pipe between the clarifier box and help the coagulant charge pipe, help the coagulant charge pipe and help the coagulant charge pump intercommunication through helping the coagulant charge pump with helping the coagulant charge pump.
A guide cylinder is vertically and fixedly arranged in the flocculation tank, and a horn-shaped guide cover is arranged on a pipe orifice at the bottom end of the guide cylinder; a stirring blade of a stirrer is arranged in a pipe orifice at the top end of the guide cylinder; an annular distributor is arranged in the guide cylinder below the stirring blade; the water inlet of the annular distributor is communicated with a flocculant medicine box through a flocculant medicine adding pipe; and a flocculant dosing pump is arranged on the flocculant dosing pipe.
A flow pushing plate is arranged in the concentration and separation box and consists of an inclined plate which is obliquely arranged upwards and a vertical plate 241 which is integrally fixed at the top end of the inclined plate and is vertically arranged; the bottom end of the inclined plate is fixed on the bottom plate of the settling pond box body below the partition plate; a plug flow cavity is formed between the plug flow plate and the partition plate; the plug flow cavity is communicated with the top of the concentration separation box; a mud scraper is arranged at the bottom of the inner cavity of the concentration separation box, and a clear water tank is arranged in the concentration separation box above the mud scraper; the bottom end of the side wall of the clean water tank is provided with the water outlet pipe, and the water outlet pipe is provided with a water outlet turbidity meter.
Inclined pipes are uniformly arranged on the bottom plate of the clear water tank; a water inlet at the bottom end of the inclined tube is arranged below the bottom plate of the clear water tank; a water outlet at the top end of the inclined tube is arranged in the clear water tank; the water outlet level at the top end of the inclined tube is lower than the top end of the plug flow plate and higher than the water outlet tube; a mud level meter is arranged on the inner wall of the concentration separation tank below the clear water tank; the sludge discharge pump is arranged on the sludge discharge pipe.
The system also comprises a controller, wherein the water inlet turbidity meter, the water outlet turbidity meter, the flocculant dosing pump, the flowmeter, the coagulant aid dosing pump, the mud level meter and the mud discharge pump of the mud scraper are all electrically connected with the controller; and sending the water inlet turbidity data, the water outlet turbidity data, the flow data and the mud position data to the controller, wherein the controller controls the dosage of the flocculant dosing pump, the dosage of the coagulant aid dosing pump and the discharge amount of the sludge discharge pump.
Preferably, the device further comprises a sludge reflux pipe and a sludge reflux pump, wherein one end of the sludge reflux pipe is communicated with the bottom of the concentration and separation box through the sludge reflux pump, and the other end of the sludge reflux pipe is communicated with the water inlet pipe between the pipeline mixer and the medicine outlet of the coagulant aid medicine adding pipe; and the controller controls the discharge amount of the sludge reflux pump.
Preferably, the stirrer comprises a stirring motor and the stirring blade fixed on an output shaft of the stirring motor; the stirring motor is arranged on a stirring motor fixing frame above the top opening of the flocculation tank; the stirring blade penetrates into the guide cylinder and is positioned 7-13cm above the annular distributor.
Preferably, the device further comprises a flushing pipe, wherein the water outlet end of the flushing pipe is communicated with the flocculant adding pipe.
Preferably, the cross section of the inclined tube is regular hexagon, and the included angle between the inclined tube and the horizontal plane is 60 degrees.
Preferably, the clean water tank is provided with a plurality of water outlet weirs, and the water outlet of the water outlet weirs is communicated with the water outlet pipe.
Preferably, the flocculation tank further comprises a semicircular baffle plate which is horizontally arranged, wherein the arc-shaped edge of the baffle plate is fixed with the inner wall of the flocculation tank, and the bottom surface of the baffle plate is fixed with the top of the guide cylinder through a fixing plate.
Preferably, the motor of the mud scraper is arranged on a mud scraping motor fixing frame above the top opening of the concentrating and separating box.
Preferably, a side wall of the flocculation tank is arc-shaped, and the concentration separation tank is cylindrical.
The invention has the advantages that:
1. the invention realizes the purpose of observing the water quality of the inlet water and the water quality of the outlet water in real time by adding various interlocking control instruments, and simultaneously reasonably adds the flocculating agent and the coagulant aid according to the water quality conditions of different time periods, thereby avoiding the waste of resources as much as possible and realizing the maximization of sewage treatment efficiency.
2. According to the invention, by additionally arranging the mud level meter, the sludge in the concentration and separation box is treated in time through the sludge reflux pump and the sludge discharge pump, so that the recycling of resources is realized, the burden of subsequent sludge treatment is reduced, and the cost consumption is reduced.
3. According to the invention, the pipeline mixer is arranged at the position of the water inlet pipe, so that the coagulation-assisting reaction can be carried out in the pipeline, and the occupied area of the flocculation tank is saved; the flocculation tank is provided with the guide cylinder, the annular distributor in the guide cylinder is provided with a plurality of flocculating agent adding ports, so that the adding time of the flocculating agent can be shortened, and meanwhile, the flow velocity of the wastewater in the guide cylinder is quickened, the flocculation reaction speed is quickened, and the wastewater treatment efficiency is improved.
4. According to the invention, the cleaning pipeline is additionally arranged at the annular distributor, so that the flocculation effect reduction caused by the blocking of the feeding port by the flocculant is avoided.
5. According to the invention, the inclined tube is additionally arranged between the concentration separation tank and the clean water tank, so that the concentration of the sludge layer at the bottom of the concentration separation tank is higher, the sedimentation effect and speed are accelerated, and the sedimentation removal of organic matters, microorganisms, colloid, suspended matters, activated carbon and other solid particles in sewage is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a schematic diagram of the control system of the present invention.
The clarifier tank 1, the flocculation tank 2, the plug flow chamber 3, the concentration separation tank 4, the clean water tank 5, the water outlet weir 6, the stirrer 7, the stirring motor 701, the stirring blade 702, the guide cylinder 8, the guide cover 801, the supporting leg 802, the fixing rod 803, the supporting block 804, the mud scraper 9, the mud scraping motor 901, the water inlet pipe 10, the flowmeter 11, the pipe mixer 12, the coagulant aid dosing pipe 13, the coagulant aid dosing pump 131, the water inlet turbidity meter 14, the flocculant dosing pump 15, the annular distributor 16, the flocculant dosing pipe 161, the flushing pipe 162, the mud level meter 17, the inclined pipe 18, the water outlet pipe 19, the water outlet turbidity meter 20, the mud reflux pipe 21, the mud reflux pump 211, the mud discharge pipe 22, the mud discharge pump 221, the partition 23, the plug flow plate 24, the vertical plate 241, the inclined plate 242, the baffle 25, the fixing plate 251, the fixing frame 26 and the controller 27.
Detailed Description
As shown in fig. 1-3, a high-efficiency clarifier comprises a clarifier tank body 1, a water inlet pipe 10 and a water outlet pipe 19; the separator plate 23 is vertically arranged in the settling tank body 1, the inner cavity of the settling tank body 1 is divided into the flocculation tank 2 and the concentration separation tank 4 through the separator plate 23, one side wall of the flocculation tank 2 is in an arc shape, the concentration separation tank 4 is in a cylindrical shape, the flocculation tank 2 and the concentration separation tank 4 are provided with rotating devices, no water flow dead angle exists in the arc-shaped tank body design, and the sedimentation with your water flow is avoided, and the flocculation tank 2 and the bottom of the concentration separation tank 4 are communicated. A fixing frame 26 is fixed on the top of the clarifier tank body 1. The water inlet pipe 10 is communicated with the flocculation tank 2, the pipe orifice of the water inlet pipe 10 is arranged at the bottom of the inner cavity of the flocculation tank 2, the pipe orifice is upward, the water inlet pipe 10 at the outer side of the clarification tank body 1 is sequentially provided with a flowmeter 11, a water inlet turbidity meter 14 and a pipeline mixer 12 along the conveying direction, a coagulant aid dosing pipe 13 is arranged on the water inlet pipe 10 between the pipeline mixer 12 and the clarification tank body 1, and the coagulant aid dosing pipe 13 is communicated with the coagulant aid dosing pump 131. The pipeline mixer 12 used in the invention is a static mixer produced by Suzhou Hua Kai filtration technology Co., ltd, the joint of the coagulant aid dosing pipe 13 and the water inlet pipe 10 is at a distance of 1m from the tank body of the high-efficiency clarification tank, the pipeline mixer 12 is arranged in a pipe ditch of the water inlet pipe 10 which is 2m from the high-efficiency clarification tank, the flowmeter 11 is arranged on the water inlet pipe 10 at a position which is 122m from the pipeline mixer, and the water inlet turbidity meter 14 is arranged on the water inlet pipe 10 between the flowmeter 11 and the pipeline mixer 12 and is 110.5m from the flowmeter.
A guide cylinder 8 is vertically and fixedly arranged in the flocculation tank 2, the guide cylinder 8 and the inner wall of the tank body of the flocculation tank 2 are welded and fixed through a DN50 carbon steel fixing rod 803, and the bottom of the guide cylinder 8 is fixed with the bottom of the flocculation tank 2 through supporting feet 802. The height of the guide cylinder 8 is 3790mm, the radius of the top of the guide cylinder 8 is 1265mm, a horn-shaped guide cover 801 is arranged on the pipe orifice at the bottom end of the guide cylinder 8,the flow velocity difference is convenient to form, thereby accelerating the flocculation reaction efficiency. A coverage area reaching 0.3m is horizontally arranged at the position 420mm above the guide cylinder 8 2 The arc edge of the baffle 25 is fixed with the inner wall of the flocculation tank 2, and the bottom surface of the baffle 25 is fixed with the top of the guide cylinder 8 through a fixed plate 251. The stirrer 7 includes a stirring motor 701 and a stirring blade 702 fixed to an output shaft of the stirring motor 701; the stirring motor 701 is arranged on the fixed frame 26 above the top opening of the flocculation tank 2; a stirring blade 702 of a stirrer 7 is arranged in the top pipe orifice of the guide cylinder 8; an annular distributor 16 is fixedly arranged in the guide cylinder 8 10cm below the stirring blade 702 through a supporting block 804, the annular distributor 16 is 1m away from the top of the guide cylinder 8, and a water inlet of the annular distributor 16 is communicated with a flocculant medicine chest through a flocculant medicine adding pipe 161; the annular distributor 16 is provided with a plurality of flocculating agent adding ports, so that the adding speed of flocculating agent is increased, and the flocculation reaction efficiency is accelerated. A flocculant dosing pump 15 is arranged on the flocculant dosing pipe 161, the dosing pressure is 0.2mPa, and the dosing pressure is 1mPa. The device also comprises a flushing pipe 162, wherein the water outlet end of the flushing pipe 162 is communicated with the flocculant adding pipe 161; when the flocculant dosing pipe 161 is blocked, 5-6bar industrial water is injected into the flocculant dosing pipe 161 through a flushing pipe 162 for flushing for 3-7min.
A plug flow plate 24 is arranged in the concentration and separation box 4, and the plug flow plate 24 consists of an inclined plate 242 which is arranged obliquely upwards and a vertical plate 241 which is integrally fixed at the top end of the inclined plate 242 and is arranged vertically; the bottom end of the inclined plate 242 is fixed on the bottom plate of the settling tank body 1 below the baffle plate 23; a plug flow cavity 3 is formed between the plug flow plate 24 and the partition plate 23, and the plug flow cavity 3 is communicated with the top of the concentration separation box 4; the plug flow cavity 3 can increase the water flow in the box body and prevent sludge deposition. A mud scraper 9 is arranged at the bottom of the inner cavity of the concentration and separation tank 4, a mud scraping motor 901 of the mud scraper 9 is arranged on a fixed frame 26 above the top opening of the concentration and separation tank 4, and a mud level meter 17 which is 500mm away from the bottom of the concentration and separation tank 4 is arranged on the inner wall of the concentration and separation tank 4; the sludge discharge pipe 22 is provided with a sludge discharge pump 221. The bottom sludge of the concentrating and separating tank 4 is discharged into the sludge discharge pipe 22 through the sewage outlet by the scraping plate of the sludge scraper 9 and then pumped out through the sludge discharge pump 221. The device also comprises a sludge reflux pipe 21 and a sludge reflux pump 211, wherein one end of the sludge reflux pipe 21 is communicated with the bottom of the concentration and separation box 4 through the sludge reflux pump 211, and the other end is communicated with the water inlet pipe 10 between the pipeline mixer 12 and the medicine outlet of the coagulant aid medicine adding pipe 13; the sludge on the upper layer of the sludge scraper 9 is pumped into a sludge return pipe 21 through a sludge return pump 211 and finally enters a flocculation tank 2 for sludge recycling.
A clear water tank 5 is arranged in the concentration separation tank 4 above the mud scraper 9; the bottom end of the side wall of the clean water tank 5 is provided with a water outlet pipe 19, a water outlet turbidity meter 20 is arranged on the water outlet pipe 19, and the water outlet turbidity meter 20 is used for monitoring the water quality of water. Inclined pipes 18 are uniformly arranged on the bottom plate of the clear water tank 5, the inclined pipes 18 are pipes with regular hexagon cross sections, and the inclined pipes 18 form an angle of 60 degrees with the horizontal plane and are 6m with the hydraulic load of other types of clarification tanks 3 /m 2 In comparison with/h, the inclined tube 18 is arranged to have a hexagonal section and an inclination of 60 degrees, thereby improving the hydraulic load by more than one time, and reaching as high as 12.5m 3 And the concentration of the sludge layer at the bottom of the concentration separation box 4 is higher, the sedimentation effect and speed are accelerated, and the sedimentation removal of solid particles such as organic matters, microorganisms, colloid, suspended matters, activated carbon and the like in sewage is facilitated. A water inlet at the bottom end of the inclined tube 18 is arranged below the bottom plate of the clear water tank 5; the water outlet at the top end of the inclined tube 18 is arranged in the clear water tank 5; the water outlet level at the top end of the inclined tube 18 is lower than the top end of the plug flow plate 24 and higher than the water outlet tube 19. A plurality of water outlet weirs 6 are arranged on the clean water tank 5, and the water outlet of the water outlet weirs 6 is communicated with a water outlet pipe 19.
As shown in fig. 4, the device also comprises a controller 27, wherein the water inlet turbidity meter 14, the water outlet turbidity meter 20, the flocculant dosing pump 15, the flowmeter 11, the coagulant aid dosing pump 131, the mud level meter 17 and the mud discharge pump 221 of the mud scraper 9 are electrically connected with the controller 27; the water turbidity data, the flow data and the mud position data are sent to the controller 27, and the controller 27 controls the dosage of the flocculant dosing pump 15, the dosage of the coagulant aid dosing pump 131 and the discharge amount of the mud discharge pump 221.
That is, when the turbidity meter 14 detects a signal that the turbidity of the water exceeds 200NTU, the signal is transmitted to the controller 27, and the controller 27 controls the dosing frequency of the coagulant aid dosing pump 131 to be increased from 35HZ to 40HZ after receiving the signal; when the effluent turbidity meter 20 detects that the effluent turbidity is lower than 50NTU, the signal is transmitted to the controller 27, and the controller 27 controls the dosing frequency of the flocculant dosing pump 15 to be increased from 40HZ to 43HZ after receiving the signal; when the mud level meter 17 receives the liquid injection from the concentration and separation tank 4, the signal is transmitted to the controller 27, and the controller 27 controls the sludge reflux pump 211 to start after receiving the signal, and returns the upper layer sludge to the water inlet pipe 10 to continue to participate in flocculation. When the mud level meter 17 receives the signal that the mud level of the concentration and separation tank 4 exceeds 300mm, the signal is transmitted to the controller 27, and the controller 27 controls the mud scraper 9 and the mud discharge pump 221 to operate after receiving the signal, so that the sludge treatment is performed for 10 minutes.
The working flow of sewage treatment by adopting the high-efficiency clarifier of the invention is as follows:
(1) Injecting sewage to be treated into the flocculation tank 2 through the water inlet pipe 10;
(2) The turbidity meter 14 on the water inlet pipe 10 detects the turbidity of the water in the water inlet pipe 10, signals are transmitted to the controller 27, the controller 27 controls the dosing frequency of the coagulant aid dosing pump 131 to be adjusted after receiving the signals, and the coagulant aid is injected into the water inlet pipe 10 through the coagulant aid dosing pipe 13;
(3) The pipeline mixer 12 fully mixes the liquid in the water inlet pipe 10, so that the coagulation aiding effect is better;
(4) The liquid to be treated after coagulation is added into a flocculation tank 2 through a flow guide pipe;
(5) The flocculant dosing pump 15 injects flocculant into the guide cylinder 8 through a dosing port on the annular distributor 16;
(6) The stirrer 7 is started, the liquid in the guide cylinder 8 is fully reacted, then the flow rate of the liquid is initially buffered and stabilized through the baffle 25, and the liquid enters the plug flow cavity 3;
(7) When the liquid passes through the plug flow cavity 3, the flow speed gradually becomes stable, and then overflows into the concentration and separation box 4;
(8) When the mud level meter 17 receives that the concentration and separation box 4 is filled with liquid, the signal is transmitted to the controller 27, and the controller 27 controls the sludge reflux pump 211 to start, and returns the upper layer sludge to the water inlet pipe 10 to continue to participate in flocculation; repeating step (2) at this time;
(9) The upper water of the concentration and separation tank 4 overflows into the clean water tank 5 through the inclined pipe 18, flows into the water outlet pipe 19 through the water outlet weir 6, and is discharged and collected through the water outlet pipe 19 for continuous use;
(10) The effluent turbidimeter 20 at the water outlet detects the turbidity of the effluent in the water outlet, and when the turbidimeter detects that the turbidity exceeds the standard, a signal is transmitted to the controller 27;
(11) After receiving the signal of exceeding the standard of the water concentration, the controller 27 controls the flocculant adding pump 15 to increase the power and add flocculant;
(12) When the effluent turbidity meter 20 detects that the effluent turbidity reaches the standard, a signal is transmitted to the controller 27, and the controller 27 controls the flocculant dosing pump 15 to restore the normal dosing frequency;
(13) When the mud level meter 17 receives the signal that the mud level of the concentration and separation tank 4 exceeds 300mm, the signal is transmitted to the controller 27, and the controller 27 controls the mud scraper 9 and the mud discharge pump 221 to operate for 10 minutes.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. The efficient clarification tank is characterized by comprising a clarification tank body, a water inlet pipe and a water outlet pipe;
a baffle plate is vertically arranged in the settling tank body, and the inner cavity of the settling tank body is divided into a flocculation tank and a concentration separation tank by the baffle plate; the flocculation tank is communicated with the bottom of the concentration separation tank;
the water inlet pipe is communicated with the flocculation tank, a pipe orifice of the water inlet pipe is arranged at the bottom of the inner cavity of the flocculation tank, the pipe orifice is upward, a flowmeter, a water inlet turbidity meter and a pipeline mixer are sequentially arranged on the water inlet pipe at the outer side of the settling tank body along the conveying direction, a coagulant aid dosing pipe is arranged on the water inlet pipe between the pipeline mixer and the settling tank body, and the coagulant aid dosing pipe is communicated with a coagulant aid dosing pump through a coagulant aid dosing pump;
a guide cylinder is vertically and fixedly arranged in the flocculation tank, and a horn-shaped guide cover is arranged on a pipe orifice at the bottom end of the guide cylinder; a stirring blade of a stirrer is arranged in a pipe orifice at the top end of the guide cylinder; an annular distributor is arranged in the guide cylinder below the stirring blade; the water inlet of the annular distributor is communicated with a flocculant medicine box through a flocculant medicine adding pipe; a flocculant dosing pump is arranged on the flocculant dosing pipe;
a flow pushing plate is arranged in the concentration separation box and consists of an inclined plate which is obliquely arranged upwards and a vertical plate which is integrally fixed at the top end of the inclined plate and is vertically arranged; the bottom end of the inclined plate is fixed on the bottom plate of the settling pond box body below the partition plate; a plug flow cavity is formed between the plug flow plate and the partition plate; the plug flow cavity is communicated with the top of the concentration separation box;
a mud scraper is arranged at the bottom of the inner cavity of the concentration separation box, and a clear water tank is arranged in the concentration separation box above the mud scraper; the bottom end of the side wall of the clean water tank is provided with the water outlet pipe, and the water outlet pipe is provided with a water outlet turbidity meter;
inclined pipes are uniformly arranged on the bottom plate of the clear water tank; a water inlet at the bottom end of the inclined tube is arranged below the bottom plate of the clear water tank; a water outlet at the top end of the inclined tube is arranged in the clear water tank; the water outlet level at the top end of the inclined tube is lower than the top end of the plug flow plate and higher than the water outlet tube; a mud level meter is arranged on the inner wall of the concentration separation tank below the clear water tank; the sludge discharge pump is arranged on the sludge discharge pipe;
the system also comprises a controller, wherein the water inlet turbidity meter, the water outlet turbidity meter, the flocculant dosing pump, the flowmeter, the coagulant aid dosing pump, the mud level meter and the mud discharge pump of the mud scraper are all electrically connected with the controller; and sending the water inlet turbidity data, the water outlet turbidity data, the flow data and the mud position data to the controller, wherein the controller controls the dosage of the flocculant dosing pump, the dosage of the coagulant aid dosing pump and the discharge amount of the sludge discharge pump.
2. The efficient clarification tank according to claim 1, further comprising a sludge return pipe and a sludge return pump, wherein one end of the sludge return pipe is communicated with the bottom of the concentration and separation tank through the sludge return pump, and the other end of the sludge return pipe is communicated with the water inlet pipe between the pipeline mixer and the medicine outlet of the coagulant aid medicine adding pipe; and the controller controls the discharge amount of the sludge reflux pump.
3. The high efficiency clarifier of claim 1 wherein said agitator comprises an agitator motor and said agitator blade secured to an output shaft of said agitator motor; the stirring motor is arranged on a stirring motor fixing frame above the top opening of the flocculation tank; the stirring blade penetrates into the guide cylinder and is positioned 7-13cm above the annular distributor.
4. The high efficiency clarifier of claim 1 further comprising a flush tube, the water outlet end of the flush tube being in communication with the flocculant dosing tube.
5. The efficient clarifier of claim 1, wherein the cross section of the inclined tube is regular hexagon, and the angle between the inclined tube and the horizontal plane is 60 °.
6. The efficient clarifier of claim 1 wherein a plurality of weirs are provided in said clear water tank, and wherein the outlet of said weirs is in communication with said outlet pipe.
7. A high efficiency clarifier according to claim 3 further comprising a horizontally disposed semicircular baffle, wherein the arcuate edge of the baffle is secured to the inner wall of the flocculation tank and the bottom surface of the baffle is secured to the top of the draft tube by a securing plate.
8. The high efficiency clarifier of claim 1 wherein the motor of the mud scraper is disposed on a mud scraping motor mount above the top opening of the concentrating separator tank.
9. The efficient clarifier of claim 1 wherein a sidewall of the flocculation tank is arc-shaped and the concentrating separator is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311267144.9A CN117142605A (en) | 2023-09-27 | 2023-09-27 | High-efficient clarification tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311267144.9A CN117142605A (en) | 2023-09-27 | 2023-09-27 | High-efficient clarification tank |
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| CN117142605A true CN117142605A (en) | 2023-12-01 |
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| CN202311267144.9A Pending CN117142605A (en) | 2023-09-27 | 2023-09-27 | High-efficient clarification tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117679793A (en) * | 2024-01-31 | 2024-03-12 | 普林斯(安庆)医药科技有限公司 | Continuous flow type filtering equipment and method for drug intermediate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117679793A (en) * | 2024-01-31 | 2024-03-12 | 普林斯(安庆)医药科技有限公司 | Continuous flow type filtering equipment and method for drug intermediate |
| CN117679793B (en) * | 2024-01-31 | 2024-04-09 | 普林斯(安庆)医药科技有限公司 | Continuous flow type filtering equipment and method for drug intermediate |
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